If I want to assemble a gas chromatograph myself, what components do I need to buy?
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If one wants to assemble a gas chromatograph, what components need to be purchased. Where can it be purchased? The accessories I now need are as follows: 1. Gas system: Pressure regulators and flow controllers may be required. 4.2. Injection system: A six-way valve. 4.3. Separation system: An oven for the column and a chromatographic column. 4. Detection system: An FPD detector. 4.5. Data processing system: A chromatography workstation. 4.6 Temperature control system; platinum resistors are used as temperature sensing elements, along with thyristor-based devices for continuous temperature control. 7. Other components such as the control motherboard – all of these parts need to be purchased from certain manufacturers. What other accessories need to be purchased? Mainly, I don’t know which manufacturers sell GC accessories?
That’s about it for the larger items as well
None of the domestically produced ones are very expensive.
This is much more difficult than building a computer by yourself; it’s likely that there aren’t many top experts like this among hardware enthusiasts. ;P
Generally, assembling spare parts isn’t cheap either, unless one fabricates each component oneself. .
You mean there are also smaller items, right? Do you know where to buy these larger items?
Purchased from the instrument manufacturer; estimating the total cost of all the accessories, it’s feasible to buy two or three gas chromatographs
This post was last edited by qugd on 2021-9-18 at 10:17. The simplest solution is for you to cover the costs yourself and have the chromatography instrument manufacturer configure it according to your requirements; otherwise, assembling it using spare parts will likely be much more expensive than having a professional manufacturer do it. For the gas line carrying the carrier gas, it’s not that a pressure regulator might be needed; it is absolutely necessary to have one. Additionally, flow and pressure control units are also required. Additionally, you can fill or coat the chromatography column yourself; if you are not very experienced in working with chromatography columns, the efficiency of the column may not be guaranteed. Install a few more columns as a way to practice, and then pick out a set that will suffice. It’s better to buy a more reliable FID detector; it’s unlikely to be possible to build one by oneself. It’s not enough to just buy the detector; it’s best to pair it with a suitable amplification/gain circuit board and an analog-to-digital conversion board, as some industrial computers or PLCs can only accept a limited number of signal types. You can configure the temperature control yourself; there are excellent ready-made products available in China for this purpose. However, it’s best to have an interface that can connect to an industrial computer or PLC, otherwise it won’t be able to work with the control motherboard. But you want to take control of the instrument’s main board yourself; you need to be able to design analog and digital circuits, as well as understand the structure of industrial computers or PLCs. Additionally, you must be able to program on your own to burn the programs into ROM. Although assembly language is no longer used for direct programming, it’s still necessary to know at least one type of machine language that can be compiled. Additionally, configure the input and output interfaces properly so that certain information signals from the analyzer can be transmitted out, or so that external signals and information can be sent to your motherboard. A chromatography workstation is actually not necessary; a better paperless recorder with calculation functions will do, which makes things cheaper. There are many difficulties, but I still have high hopes for you, as you have dreams and perhaps some extra money available. After failing about 10 times, there has to be at least one instance of success by chance. Keep it up. Preparing 500,000 is going to be fun.
Enterprises should be encouraged to pursue independent innovation; 100 attempts at it can be tolerated: lol. But it’s not necessary to do everything by hand. If I were someone who produces screws, I would definitely consider buying them instead of making them myself. Screws account for only a small portion of the cost of a car, so using custom-made screws could reduce costs. In that case, it might be feasible to buy a used machine to manufacture cars, and the cost would still be acceptable. If it’s more expensive, then so be it – it doesn’t mean that everything has to be done manually. It’s better to buy something brand new. As for those screws, they may not be valuable on their own, but when used in equipment, they become valuable. It’s like using straw to wrap gold: it retains the value of gold, while when used to wrap cabbage, it has the value of cabbage.
That’s because you don’t want to achieve great things. :Lol, if I were to make screws, I would start by exploring iron ore, then move on to the machinery needed for manufacturing (forging, machining, grinding, etc.), begin with CNC machine programming, and address metal heat treatment as well… Now that it’s allowed to have multiple children, I could take in two more younger concubines and have more kids; by adopting the spirit of Yu Gong moving the mountains, I’m sure we’ll achieve our goal someday.